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To counteract this, females may fly upriver before depositing their eggs. For example, the female Tisza mayfly , the largest European species with a length of 12 cm (4.7 in), flies up to 3 kilometres (2 mi) upstream before depositing eggs on the water surface.
The American toad (Anaxyrus americanus) [3] is a common species of toad found throughout Canada and the eastern United States.It is divided into three subspecies: the eastern American toad (A. a. americanus), the dwarf American toad (A. a. charlesmithi) and the rare Hudson Bay toad (A. a. copei).
Eating hot soups during the summer is thought to ensure good health by balancing one's "qi", the believed vital energy of the body. Dog meat is believed by some to increase the body temperature, to induce sweating to keep one cool during the summer (the way of dealing with heat is called heal heat with heat (이열치열, 以熱治熱, i-yeol ...
Data is then output in PHP format. The backend is written in Java. Thrift is used as the messaging format so PHP programs can query Java services. Caching solutions display pages more quickly. The data is then sent to MapReduce servers where it is queried via Hive. This serves as a backup as the data can be recovered from Hive. [37]
Fish-eating birds use beaver ponds for foraging, and in some areas, certain species appear more frequently at sites where beavers were active than at sites with no beaver activity. [ 64 ] [ 87 ] [ 88 ] In a study of Wyoming streams and rivers, watercourses with beavers had 75 times as many ducks as those without. [ 89 ]
The infraorder name Isoptera is derived from the Greek words iso (equal) and ptera (winged), which refers to the nearly equal size of the fore and hind wings. [15] " Termite" derives from the Latin and Late Latin word termes ("woodworm, white ant"), altered by the influence of Latin terere ("to rub, wear, erode") from the earlier word tarmes.
The MiG-21 jet fighter was a continuation of Soviet jet fighters, starting with the subsonic MiG-15 and MiG-17, and the supersonic MiG-19.A number of experimental Mach 2 Soviet designs were based on nose intakes with either swept-back wings, such as the Sukhoi Su-7, or tailed deltas, of which the MiG-21 would be the most successful.